Related papers: MOA-2006-BLG-074: recognizing xallarap contaminant…

The First Circumbinary Planet Found by Microlensing: OGLE-2007-BLG-349L(AB)c

We present the analysis of the first circumbinary planet microlensing event, OGLE-2007-BLG-349. This event has a strong planetary signal that is best fit with a mass ratio of $q \approx 3.4\times10^{-4}$, but there is an additional signal…

Earth and Planetary Astrophysics · Physics 2016-11-04 D. P. Bennett , S. H. Rhie , A. Udalski , A. Gould , Y. Tsapras , D. Kubas , I. A. Bond , J. Greenhill , A. Cassan , N. J. Rattenbury , T. S. Boyajian , J. Luhn , M. T. Penny , J. Anderson , F. Abe , A. Bhattacharya , C. S. Botzler , M. Donachie , M. Freeman , A. Fukui , Y. Hirao , Y. Itow , N. Koshimoto , M. C. A. Li , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , M. Nagakane , K. Ohnishi , H. Oyokawa , Y. C. Perrott , To. Saito , A. Sharan , D. J. Sullivan , T. Sumi , D. Suzuki , P. J. Tristram , A. Yonehara , P. C. M. Yock , M. K. Szymanski , I. Soszynski , K. Ulaczyk , L. Wyrzykowski , W. Allen , D. DePoy , A. Gal-Yam , B. S. Gaudi , C. Han , I. A. G. Monard , E. Ofek , R. W. Pogge , R. A. Street , D. M. Bramich , M. Dominik , K. Horne , C. Snodgrass , I. A. Steele , M. D. Albrow , E. Bachelet , V. Batista , J. -P. Beaulieu , S. Brillant , J. A. R. Caldwell , A. Cole , C. Coutures , S. Dieters , D. Dominis Prester , J. Donatowicz , P. Fouque , M. Hundertmark , U. G. Jorgensen , N. Kains , S. R. Kane , J. -B. Marquette , J. Menzies , K. R. Pollard , C. Ranc , K. C. Sahu , J. Wambsganss , A. Williams , M. Zub

OGLE-2014-BLG-0319: A Sub-Jupiter-Mass Planetary Event Encountered Degeneracy with Different Mass Ratios and Lens-Source Relative Proper Motions

We report the discovery of a sub-Jovian-mass planet, OGLE-2014-BLG-0319Lb. The characteristics of this planet will be added into a future extended statistical analysis of the Microlensing Observations in Astrophysics (MOA) collaboration.…

Earth and Planetary Astrophysics · Physics 2022-02-16 Shota Miyazaki , Daisuke Suzuki , Andrzej Udalski , Naoki Koshimoto , David P. Bennett , Nicholas J. Rattenbury , Takahiro Sumi , Fumio Abe , Richard K. Barry , Aparna Bhattacharya , Ian A. Bond , Akihiko Fukui , Hirosane Fujii , Yuki Hirao , Stela Silva , Yoshitaka Itow , Rintaro Kirikawa , Iona Kondo , Brandon Munford , Y. Matsubara , Sho Matsumoto , Yasushi Muraki , Arisa Okamura , Greg Olmschenk , Clément Ranc , Yuki K. Satoh , Taiga Toda , P. J. Tristram , Hibiki Yama , A. Yonehara , Radek Poleski , Przemek Mroz , Jan Skowron , Michal Szymanski , Igor Soszynski , Pawel Pietrukowicz , Syzmon Kozlowski , Krzysztof Ulaczyk , Lukasz Wyrzykowski

Brown-dwarf companions in microlensing binaries detected during the 2016--2018 seasons

With the aim of finding microlensing binaries containing brown-dwarf (BD) companions, we investigate the microlensing survey data collected during the 2016--2018 seasons. For this purpose, we first conducted modeling of lensing events with…

Solar and Stellar Astrophysics · Physics 2022-11-16 Cheongho Han , Yoon-Hyun Ryu , In-Gu Shin , Youn Kil Jung , Doeon Kim , Yuki Hirao , Valerio Bozza , Michael D. Albrow , Weicheng Zang , Andrzej Udalski , Ian A. Bond , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Yossi Shvartzvald , Hongjing Yang , Sang-Mok Cha , Dong-Jin Kim , Hyoun-Woo Kim , Seung-Lee Kim , Chung-Uk Lee , Dong-Joo Lee , Jennifer C. Yee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Przemek Mróz , Michał K. Szymański , Jan Skowron , Radek Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Marcin Wrona , Fumio Abe , Richard Barry , David P. Bennett , Aparna Bhattacharya , Hirosame Fujii , Akihiko Fukui , Stela Ishitani Silva , Rintaro Kirikawa , Iona Kondo , Naoki Koshimoto , Yutaka Matsubara , Sho Matsumoto , Shota Miyazaki , Yasushi Muraki , Arisa Okamura , Greg Olmschenk , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Takahiro Sumi , Daisuke Suzuki , Taiga Toda , Paul J. Tristram , Aikaterini Vandorou , Hibiki Yama , Yoshitaka Itow

OGLE-2008-BLG-510: first automated real-time detection of a weak microlensing anomaly - brown dwarf or stellar binary?

The microlensing event OGLE-2008-BLG-510 is characterised by an evident asymmetric shape of the peak, promptly detected by the ARTEMiS system in real time. The skewness of the light curve appears to be compatible both with binary-lens and…

Earth and Planetary Astrophysics · Physics 2015-06-04 V. Bozza , M. Dominik , N. J. Rattenbury , U. G. Joergensen , Y. Tsapras , D. M. Bramich , A. Udalski , I. A. Bond , C. Liebig , A. Cassan , P. Fouque , A. Fukui , M. Hundertmark , I. -G. Shin , S. H. Lee , J. -Y. Choi , S. -Y. Park , A. Gould , A. Allan , S. Mao , L. Wyrzykowski , R. A. Street , D. Buckley , T. Nagayama , M. Mathiasen , T. C. Hinse , S. Calchi Novati , K. Harpsoee , L. Mancini , G. Scarpetta , T. Anguita , M. J. Burgdorf , K. Horne , A. Hornstrup , N. Kains , E. Kerins , P. Kjaergaard , G. Masi , S. Rahvar , D. Ricci , C. Snodgrass , J. Southworth , I. A. Steele , J. Surdej , C. C. Thoene , J. Wambsganss , M. Zub , M. D. Albrow , V. Batista , J. -P. Beaulieu , D. P. Bennett , J. A. R. Caldwell , A Cole , K. H. Cook , C. Coutures , S. Dieters , D. Dominis Prester , J. Donatowicz , J. Greenhill , S. R. Kane , D. Kubas , J. -B. Marquette , R. Martin , J. Menzies , K. R. Pollard , K. C. Sahu , A. Williams , M. K. Szymanski , M. Kubiak , G. Pietrzynski , I. Soszynski , R. Poleski , K. Ulaczyk , D. L. DePoy , S. Dong , C. Han , J. Janczak , C. -U. Lee , R. W. Pogge , F. Abe , K. Furusawa , J. B. Hearnshaw , Y. Itow , P. M. Kilmartin , A. V. Korpela , W. Lin , C. H. Ling , K. Masuda , Y. Matsubara , N. Miyake , Y. Muraki , K. Ohnishi , Y. C. Perrott , To. Saito , L. Skuljan , D. J. Sullivan , T. Sumi , D. Suzuki , W. L. Sweatman , P. J. Tristram , K. Wada , P. C. M. Yock , A. Gulbis , Y. Hashimoto , A. Kniazev , P. Vaisanen

Discovery of a Gas giant Planet in Microlensing Event OGLE-2014-BLG-1760

We present the analysis of the planetary microlensing event OGLE-2014-BLG-1760, which shows a strong light curve signal due to the presence of a Jupiter mass-ratio planet. One unusual feature of this event is that the source star is quite…

Earth and Planetary Astrophysics · Physics 2016-11-09 A. Bhattacharya , D. P. Bennett , I. A. Bond , T. Sumi , A. Udalski , R. Street , Y. Tsapras , F. Abe , M. Freeman , A. Fukui , Y. Itow , M. C. A. Li , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , K. Ohnishi , L. C. Philpott , N. Rattenbury , T. Saito , A. Sharan , D. J. Sullivan , D. Suzuki , P. J. Tristram , M. K. Szymański , I. Soszyński , R. Poleski , S. Kozlowski , P. Pietrukowicz , K. Ulaczyk , L. Wyrzykowski , E Bachelet , D. M. Bramich , G. D' Ago , M. Dominik , R. Figuera Jaimes , K. Horne , M. Hundertmark , N. Kains , J. Menzies , R. Schmidt , C. Snodgrass , I. A. Steele , J Wambsganss

Full characterization of binary-lens event OGLE-2002-BLG-069 from PLANET observations

We analyze the photometric data obtained by PLANET and OGLE on the caustic-crossing binary-lens microlensing event OGLE-2002-BLG-069. Thanks to the excellent photometric and spectroscopic coverage of the event, we are able to constrain the…

Astrophysics · Physics 2009-11-10 D. Kubas , A. Cassan , J. P. Beaulieu , C. Coutures , M. Dominik , M. D. Albrow , S. Brillant , J. A. R. Caldwell , D. Dominis , J. Donatowicz , P. Fouque , U. G. Jorgensen , J. Greenhill , K. Hill , K. Horne , S. Kane , J. B. Marquette , R. Martin , J. Menzies , K. R. Pollard , K. C. Sahu , C. Vinter , J. Wambsganss , R. Watson , A. Williams , C. Fendt , J. Heinmueller , C. Thurl

OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing

We present the analysis of the event OGLE-2017-BLG-1186 from the 2017 Spitzer microlensing campaign. This is a remarkable microlensing event because its source is photometrically bright and variable, which makes it possible to perform an…

Solar and Stellar Astrophysics · Physics 2019-07-26 Shun-Sheng Li , Weicheng Zang , Andrzej Udalski , Yossi Shvartzvald , Daniel Huber , Chung-Uk Lee , Takahiro Sumi , Andrew Gould , Shude Mao , Pascal Fouqué , Tianshu Wang , Subo Dong , Uffe G. Jørgensen , Andrew Cole , Przemek Mróz , Michał K. Szymański , Jan Skowron , Radosław Poleski , Igor Soszyński , Paweł Pietrukowicz , Szymon Kozłowski , Krzysztof Ulaczyk , Krzysztof A. Rybicki , Patryk Iwanek , Jennifer C. Yee , Sebastiano Calchi Novati , Charles A. Beichman , Geoffery Bryden , Sean Carey , B. Scott Gaudi , Calen B. Henderson , Wei Zhu , Michael D. Albrow , Sun-Ju Chung , Cheongho Han , Kyu-Ha Hwang , Youn Kil Jung , Yoon-Hyun Ryu , In-Gu Shin , Sang-Mok Cha , Dong-Jin Kim , Hyoun-Woo Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Ian A. Bond , Fumio Abe , Richard Barry , David P. Bennett , Aparna Bhattacharya , Martin Donachie , Akihiko Fukui , Yuki Hirao , Yoshitaka Itow , Iona Kondo , Naoki Koshimoto , Man Cheung Alex Li , Yutaka Matsubara , Yasushi Muraki , Shota Miyazaki , Masayuki Nagakane , Clément Ranc , Nicholas J. Rattenbury , Haruno Suematsu , Denis J. Sullivan , Daisuke Suzuki , Paul J. Tristram , Atsunori Yonehara , Grant Christie , John Drummond , Jonathan Green , Steve Hennerley , Tim Natusch , Ian Porritt , Etienne Bachelet , Dan Maoz , Rachel A. Street , Yiannis Tsapras , Valerio Bozza , Martin Dominik , Markus Hundertmark , Nuno Peixinho , Sedighe Sajadian , Martin J. Burgdorf , Daniel F. Evans , Roberto Figuera Jaimes , Yuri I. Fujii , Lauri K. Haikala , Christiane Helling , Thomas Henning , Tobias C. Hinse , Luigi Mancini , Penelope Longa-Peña , Sohrab Rahvar , Markus Rabus , Jesper Skottfelt , Colin Snodgrass , John Southworth , Eduardo Unda-Sanzana , Carolina von Essen , Jean-Phillipe Beaulieu , Joshua Blackman , Kym Hill

OGLE-2018-BLG-1185b : A Low-Mass Microlensing Planet Orbiting a Low-Mass Dwarf

We report the analysis of planetary microlensing event OGLE-2018-BLG-1185, which was observed by a large number of ground-based telescopes and by the $Spitzer$ Space Telescope. The ground-based light curve indicates a low planet-host star…

Earth and Planetary Astrophysics · Physics 2021-08-11 Iona Kondo , Jennifer C. Yee , David P. Bennett , Takahiro Sumi , Naoki Koshimoto , Ian A. Bond , Andrew Gould , Andrzej Udalski , Yossi Shvartzvald , Youn Kil Jung , Weicheng Zang , Valerio Bozza , Etienne Bachelet , Markus P. G. Hundertmark , Nicholas J. Rattenbury , F. Abe , R. Barry , A. Bhattacharya , M. Donachie , A. Fukui , H. Fujii , Y. Hirao , S. Ishitani Silva , Y. Itow , R. Kirikawa , M. C. A. Li , Y. Matsubara , S. Miyazaki , Y. Muraki , G. Olmschenk , C. Ranc , Y. Satoh , H. Shoji , D. Suzuki , Y. Tanaka , P. J. Tristram , T. Yamawaki , A. Yonehara , P. Mróz , R. Poleski , J. Skowron , M. K. Szymański , I. Soszyński , S. Kozłowski , P. Pietrukowicz K. Ulaczyk , K. A. Rybicki , P. Iwanek , M. Wrona , M. D. Albrow , S. -J. Chung , C. Han , K. -H. Hwang , H. -W. Kim , I. -G. Shin , S. -M. Cha , D. -J. Kim , S. -L. Kim , C. -U. Lee , D. -J. Lee , Y. Lee , B. -G. Park , R. W. Pogge , Y. -H. Ryu , C. A. Beichman , G. Bryden , S. Calchi Novati , S. Carey , B. S. Gaudi , C. B. Henderson , W. Zhu , D. Maoz , M. T. Penny , M. Dominik , U. G. Jørgensen , P. Longa-Pe{\~{ n}}a , N. Peixinho , S. Sajadian , J. Skottfelt , C. Snodgrass , J. Tregloan-Reed , M. J. Burgdorf , J. Campbell-White , S. Dib , Y. I. Fujii , T. C. Hinse , E. Khalouei , S. Rahvar , M. Rabus , J. Southworth , Y. Tsapras , R. A. Street , D. M. Bramich , A. Cassan , K. Horne , J. Wambsganss , S. Mao , A. Saha

OGLE-2016-BLG-0156: Microlensing Event With Pronounced Microlens-Parallax Effects Yielding Precise Lens Mass Measurement

We analyze the gravitational binary-lensing event OGLE-2016-BLG-0156, for which the lensing light curve displays pronounced deviations induced by microlens-parallax effects. The light curve exhibits 3 distinctive widely-separated peaks and…

Solar and Stellar Astrophysics · Physics 2019-02-27 Youn Kil Jung , Cheongho Han , Ian A. Bond , Andrzej Udalski , Andrew Gould , Michael D. Albrow , Sun-Ju Chung , Kyu-Ha Hwang , Chung-Uk Lee , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Jennifer C. Yee , M. James Jee , Doeon Kim , Sang-Mok Cha , Dong-Jin Kim , Hyoun-Woo Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Fumio Abe , Richard Barry , David P. Bennett , Aparna Bhattacharya , Martin Donachie , Akihiko Fukui , Yuki Hirao , Yoshitaka Itow , Kohei Kawasaki , Iona Kondo , Naoki Koshimoto , Man Cheung Alex Li , Yutaka Matsubara , Yasushi Muraki , Shota Miyazaki , Masayuki~Nagakane , Clément Ranc , Nicholas J. Rattenbury , Haruno Suematsu , Denis J. Sullivan , Takahiro Sumi , Daisuke Suzuki , Paul J. Tristram , Atsunori Yonehara , Przemek Mróz , Radek Poleski , Jan Skowron , Michał K. Szymański , Igor Soszyński , Szymon Kozłowski , Paweł Pietrukowicz , Krzysztof Ulaczy , Michał Pawlak

KMT-2022-BLG-0086: Another binary-lens binary-source microlensing event

We present the analysis of a microlensing event KMT-2022-BLG-0086 of which the overall light curve is not described by a binary-lens single-source (2L1S) model, which suggests the existence of an extra lens or an extra source. We found that…

Solar and Stellar Astrophysics · Physics 2025-06-27 Sun-Ju Chung , Kyu-Ha Hwang , Jennifer C. Yee , Andrew Gould , Ian A. Bond , Hongjing Yang , Michael D. Albrow , Youn Kil Jung , Cheongho Han , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Weicheng Zang , Sang-Mok Cha , Dong-Jin Kim , Seung-Lee Kim , Chung-Uk Lee , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Fumio Abe , David P. Bennett , Aparna Bhattacharya , Akihiko Fukui , Ryusei Hamada , Yuki Hirao , Stela Ishitani Silva , Naoki Koshimoto , Shota Miyazaki , Yasushi Muraki , Tutumi Nagai , Kansuke Nunota , Greg Olmschenk , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Takahiro Sumi , Daisuke Suzuki , Sean K. Terry , Paul J. Tristram , Aikaterini Vandorou , Hibiki Yama

Studying wave optics in the light curve of exoplanet microlensing

We study the wave optics features of gravitational microlensing by a binary lens composed of a planet and a parent star. In this system, the source star near the caustic line produces a pair of images in which they can play the role of…

Earth and Planetary Astrophysics · Physics 2015-06-05 Ahmad Mehrabi , Sohrab Rahvar

KMT-2024-BLG-0816/OGLE-2024-BLG-0519 -- A Microlensing Event with Candidate Free-Floating Planet Lens and Blended Light

We present the discovery of a free-floating planet microlensing event KMT-2024-BLG-0816. The event shows finite-source effect, significant blending light, and no microlensing signal from a putative planet host. Among the free-floating…

Earth and Planetary Astrophysics · Physics 2026-01-05 R. Poleski , Y. -H. Ryu , A. Udalski , W. Zang , M. D. Albrow , S. -J. Chung , A. Gould , C. Han , K. -H. Hwang , Y. K. Jung , I. -G. Shin , Y. Shvartzvald , J. C. Yee , H. Yang , D. -J. Kim , C. -U. Lee , B. -G. Park , M. K. Szymański , I. Soszyński , K. Ulaczyk , P. Pietrukowicz , J. Skowron , D. Skowron , P. Mróz , K. Rybicki , P. Iwanek , M. Wrona , M. Gromadzki , M. Mróz , M. Ratajczak

OGLE-2018-BLG-0022: A Nearby M-dwarf Binary

We report observations of the binary microlensing event OGLE-2018-BLG-0022, provided by the ROME/REA Survey, which indicate that the lens is a low-mass binary star consisting of M3 (0.375+/-0.020 Msun) and M7 (0.098+/-0.005 Msun)…

Earth and Planetary Astrophysics · Physics 2019-05-15 R. A. Street , E. Bachelet , Y. Tsapras , M. P. G. Hundertmark , V. Bozza , M. Dominik , D. M. Bramich , A. Cassan , K. Horne , S. Mao , A. Saha , J. Wambsganss , Weicheng Zang , U. G. Jorgensen , P. Longa-Pena , N. Peixinho , S. Sajadian , M. J. Burgdorf , J. Campbell-White , S. Dib , D. F. Evans , Y. I. Fujii , T. C. Hinse , E. Khalouei , S. Lowry , S. Rahvar , M. Rabus , J. Skottfelt , C. Snodgrass , J. Southworth , J. Tregloan-Reed

KMT-2021-BLG-0322: Severe degeneracy between triple-lens and higher-order binary-lens interpretations

We investigate the microlensing event KMT-2021-BLG-0322, for which the light curve exhibits three distinctive sets of caustic-crossing features. It is found that the overall features of the light curve are approximately described by a…

Earth and Planetary Astrophysics · Physics 2021-11-17 Cheongho Han , Andrew Gould , Yuki Hirao , Chung-Uk Lee , Michael D. Albrow , Sun-Ju Chung , Kyu-Ha Hwang , Youn Kil Jung , Doeon Kim , Shude Mao , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Jennifer C. Yee , Weicheng Zang , Sang-Mok Cha , Dong-Jin Kim , Hyoun-Woo Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Fumio Abe , Richard Barry , David P. Bennett , Aparna Bhattacharya , Ian Bond , Martin Donachie , Hirosane Fujii , Akihiko Fukui , Yoshitaka Itow , Rintaro Kirikawa , Iona Kondo , Naoki Koshimoto , Man Cheung Alex Li , Yutaka Matsubara , Yasushi Muraki , Shota Miyazaki , Clément Ranc , Nicholas J. Rattenbury , Yuki Satoh , Hikaru Shoji , Takahiro Sumi , Daisuke Suzuki , Yuzuru Tanaka , Paul J. Tristram , Tsubasa Yamawaki , Atsunori Yonehara

KMT-2021-BLG-2010Lb, KMT-2022-BLG-0371Lb, and KMT-2022-BLG-1013Lb: Three microlensing planets detected via partially covered signals

We inspect 4 microlensing events KMT-2021-BLG-1968, KMT-2021-BLG-2010, KMT-2022-BLG-0371, and KMT-2022-BLG-1013, for which the light curves exhibit partially covered short-term central anomalies. We conduct detailed analyses of the events…

Earth and Planetary Astrophysics · Physics 2023-06-14 Cheongho Han , Chung-Uk Lee , Weicheng Zang , Youn Kil Jung , Grant W. Christie , Jiyuan Zhang , Michael D. Albrow , Sun-Ju Chung , Andrew Gould , Kyu-Ha Hwang , Doeon Kim , Yoon-Hyun Ryu , In-Gu Shin , Yossi Shvartzvald , Hongjing Yang , Jennifer C. Yee , Sang-Mok Cha , Dong-Jin Kim , Seung-Lee Kim , Dong-Joo Lee , Yongseok Lee , Byeong-Gon Park , Richard W. Pogge , Tim Natusch , Shude Mao , Dan Maoz , Matthew T. Penny , Wei Zhu

OGLE-2003-BLG-262: Finite-Source Effects from a Point-Mass Lens

We analyze OGLE-2003-BLG-262, a relatively short, t_E=12.5+-0.1day, microlensing event generated by a point-mass lens transiting the face of a K giant source in the Galactic bulge. We use the resulting finite-source effects to measure the…

Astrophysics · Physics 2019-08-17 Jaiyul Yoo , D. L. DePoy , A. Gal-Yam , B. S. Gaudi , A. Gould , C. Han , Y. Lipkin , D. Maoz , E. O. Ofek , B. -G. Park , R. W. Pogge , A. Udalski , I. Soszynski , L. Wyrzykowski , M. Kubiak , M. Szymanski , G. Pietrzynski , O. Szewczyk , K. Zebrun

The Effect of a Binary Source Companion on the Astrometric Microlensing Behavior

If gravitational microlensing occurs in a binary-source system, both source components are magnified, and the resulting light curve deviates from the standard one of a single source event. However, in most cases only one source component is…

Astrophysics · Physics 2009-11-07 Cheongho Han

MOA-2007-BLG-400 A Super-Jupiter Mass Planet Orbiting a Galactic BulgeK-dwarf Revealed by Keck Adaptive Optics Imaging

We present Keck/NIRC2 adaptive optics imaging of planetary microlensing event MOA-2007-BLG-400 that resolves the lens star system from the source. We find that the MOA-2007-BLG-400L planetary system consists of a $1.71\pm 0.27 M_{\rm Jup}$…

Earth and Planetary Astrophysics · Physics 2020-09-08 Aparna Bhattacharya , David P. Bennett , Jean P. Beaulieu , Ian A. Bond , Naoki Koshimoto , Jessica R. Lu , Joshua W. Blackman , Aikaterini Vandorou , Sean K. Terry , Virginie Batista , Jean B. Marquette , Andrew A. Cole , Akihiko Fukui , Calen B. Henderson

Sub-Saturn Planet MOA-2008-BLG-310Lb: Likely To Be In The Galactic Bulge

We report the detection of sub-Saturn-mass planet MOA-2008-BLG-310Lb and argue that it is the strongest candidate yet for a bulge planet. Deviations from the single-lens fit are smoothed out by finite-source effects and so are not…

Earth and Planetary Astrophysics · Physics 2010-03-19 Julia Janczak , A. Fukui , Subo Dong , B. Monard , Szymon Kozlowski , A. Gould , J. P. Beaulieu , Daniel Kubas , J. B. Marquette , T. Sumi , I. A. Bond , D. P. Bennett , the MOA collaboration , the MicroFUN collaboration , the MiNDSTEp collaboration , the PLANET collaboration

A Sub-Earth-Mass Moon Orbiting a Gas Giant Primary or a High Velocity Planetary System in the Galactic Bulge

We present the first microlensing candidate for a free-floating exoplanet-exomoon system, MOA-2011-BLG-262, with a primary lens mass of M_host ~ 4 Jupiter masses hosting a sub-Earth mass moon. The data are well fit by this exomoon model,…

Earth and Planetary Astrophysics · Physics 2015-06-18 D. P. Bennett , V. Batista , I. A. Bond , C. S. Bennett , D. Suzuki , J. -P. Beaulieu , A. Udalski , J. Donatowicz , F. Abe , C. S. Botzler , M. Freeman , D. Fukunaga , A. Fukui , Y. Itow , N. Koshimoto , C. H. Ling , K. Masuda , Y. Matsubara , Y. Muraki , S. Namba , K. Ohnishi , N. J. Rattenbury , To. Saito , D. J. Sullivan , T. Sumi , W. L. Sweatman , P. J. Tristram , N. Tsurumi , K. Wada , P. C. M. Yock , M. D. Albrow , E. Bachelet , S. Brillant , J. A. R. Caldwell , A. Cassan , A. A. Cole , E. Corrales , C. Coutures , S. Dieters , D. Dominis Prester , P. Fouque , J. Greenhill , K. Horne , J. -R. Koo , D. Kubas , J. -B. Marquette , R. Martin , J. W. Menzies , K. C. Sahu , J. Wambsganss , A. Williams , M. Zub J. Y. Choi , D. L. DePoy , Subo Dong , B. S. Gaudi , A. Gould , C. Han , C. B. Henderson , D. McGregor , C. -U. Lee , R. W. Pogge , I. -G. Shin , J. C. Yee , M. K. Szymaski , J. Skowron , R. Poleski , S. Kozowski , L. Wyrzykowski , M. Kubiak , P. Pietrukowicz , G. Pietrzyski , I. Soszyski , K. Ulaczyk , Y. Tsapras , R. A. Street , M. Dominik , D. M. Bramich , P. Browne , M. Hundertmark , N. Kains , C. Snodgrass , I. A. Steele , I. Dekany , O. A. Gonzalez , D. Heyrovsky , R. Kandori , E. Kerins , P. W. Lucas , D. Minniti , T. Nagayama , M. Rejkuba , A. C. Robin , R. Saito